US10969164B2 - Single-system air-cooled refrigerator and control method therefor - Google Patents

Single-system air-cooled refrigerator and control method therefor Download PDF

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Publication number
US10969164B2
US10969164B2 US16/345,243 US201716345243A US10969164B2 US 10969164 B2 US10969164 B2 US 10969164B2 US 201716345243 A US201716345243 A US 201716345243A US 10969164 B2 US10969164 B2 US 10969164B2
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refrigerating
temperature
air
freezing
compartment
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US20190277559A1 (en
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Dazhi Wang
Dongxiao Fu
Wei Wang
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Qingdao Haier Co Ltd
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Qingdao Haier Co Ltd
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Assigned to QINGDAO HAIER JOINT STOCK CO., LTD. reassignment QINGDAO HAIER JOINT STOCK CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FU, Dongxiao, WANG, DAZHI, WANG, WEI
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/16—Convertible refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/06—Stock management
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00—Control issues
    • F25D2600/02—Timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/12—Sensors measuring the inside temperature
    • F25D2700/122—Sensors measuring the inside temperature of freezer compartments

Definitions

  • the present invention relates to the field of refrigeration, and in particular, to a single-system air-cooled refrigerator and a control method therefor.
  • the user has specific needs for storing a large number of specific articles, such as the need for storing frozen fresh food during holidays, and the need for storing large amounts of refrigerated water and fruits during the dry season in tropical areas.
  • the size of an air hole of the ordinary air-cooled refrigerator cannot be adjusted, or the capacity to change the air volume is not enough to reduce the temperature from a temperature above zero to a temperature below zero.
  • the temperature range of each compartment cannot be adjusted as needed, and the use is inconvenient.
  • an electric air door can be installed on each air outlet of the refrigerating compartment and the freezing compartment, and the temperature can be changed by the signal control of a sensor.
  • a solution is high in cost and complicated in control.
  • Objectives of the present invention are to provide a single-system air-cooled refrigerator and a control method therefor.
  • an embodiment of the present invention provides a single-system air-cooled refrigerator, comprising a refrigerating compartment and a freezing compartment, wherein the refrigerator further comprises: a first air duct and a second air duct, which communicate the refrigerating compartment with the freezing compartment respectively and are separated from each other; a first air door and a second air door which open and close the first air duct and the second air duct respectively; a refrigerating system, configured to supply cold air to the freezing compartment; and a control system, configured to control opening and closing of the first air door and the second air door to implement a first working mode, a second working mode, or a third working mode of the refrigerator, wherein the first working mode is that neither the freezing compartment nor the refrigerating compartment is switched, the second working mode is that the freezing compartment is switched to the refrigerating compartment, and the third working mode is that the refrigerating compartment is switched to the freezing compartment.
  • the refrigerating system comprises a freezing fan and a compressor, and when the refrigerator is in the first working mode or the second working mode, the control system controls the freezing fan to be shut down after controlling the compressor to be shut down for preset delay time.
  • the freezing compartment is preset to be at a first temperature
  • the refrigerating compartment is preset to be at a second temperature
  • the control system controls the second air door to be closed, meanwhile the control system controls the first air door to be opened to a first preset opening degree according to the first temperature and the second temperature
  • the first temperature is in a freezing temperature range
  • the second temperature is in a refrigerating temperature range.
  • the freezing compartment is preset to be at a third temperature
  • the refrigerating compartment is preset to be at a fourth temperature
  • the control system controls the second air door to be closed, meanwhile, the control system controls the first air door to be fully opened
  • the third temperature and the fourth temperature are both in the refrigerating temperature range.
  • the freezing compartment is preset to be at a fifth temperature
  • the refrigerating compartment is preset to be at a sixth temperature
  • the control system controls the first air door and the second air door to be both fully opened
  • the fifth temperature and the sixth temperature are both in the freezing temperature range.
  • the refrigerating system is communicated with the freezing compartment by a freezing air hole
  • the first air duct is communicated with the refrigerating compartment by a first refrigerating air hole
  • the second air duct is communicated with the refrigerating compartment by a second refrigerating air hole
  • the first refrigerating air hole and the second refrigerating air hole are both larger than the freezing air hole.
  • an embodiment of the present invention provides a control method for a single-system air-cooled refrigerator, which comprises the steps of: starting the refrigerator; selecting a working mode; switching neither the freezing compartment nor the refrigerating compartment when the working mode is a first working mode; switching the freezing compartment to the refrigerating compartment when the working mode is a second working mode; and switching the refrigerating compartment to the freezing compartment when the working mode is a third working mode.
  • the refrigerator comprises a first air duct and a second air duct which communicate the refrigerating compartment with the freezing compartment respectively and are separated from each other, and a first air door and a second air door which open and close the first air duct and the second air duct respectively
  • the step “switching neither the freezing compartment nor the refrigerating compartment when the working mode is a first working mode” specifically comprises: presetting the freezing compartment to be at a first temperature and the refrigerating compartment to be at a second temperature when the refrigerator is in the first working mode, the first temperature being in a freezing temperature range, and the second temperature being in a refrigerating temperature range; and controlling the second air door to be closed, and meanwhile controlling the first air door to be opened to a first preset opening degree according to the first temperature and the second temperature.
  • the refrigerator comprises a first air duct and a second air duct which communicate the refrigerating compartment with the freezing compartment respectively and are separated from each other, and a first air door and a second air door which open and close the first air duct and the second air duct respectively
  • the step “switching the freezing compartment to the refrigerating compartment when the working mode is a second working mode” specifically comprises: presetting the freezing compartment to be at a third temperature and the refrigerating compartment to be at a fourth temperature when the refrigerator is in the second working mode, the third temperature and the fourth temperature being both in the refrigerating temperature range; and controlling the second air door to be closed while controlling the first air door to be fully opened.
  • the refrigerator comprises a first air duct and a second air duct which communicate the refrigerating compartment with the freezing compartment respectively and are separated from each other, and a first air door and a second air door which open and close the first air duct and the second air duct respectively
  • the step “switching the refrigerating compartment to the freezing compartment when the working mode is a third working mode” specifically comprises: presetting the freezing compartment to be at a fifth temperature and the refrigerating compartment to be at a sixth temperature when the refrigerator is in the third working mode, the fifth temperature and the sixth temperature being both in the freezing temperature range; and controlling the first air door and the second air door to be both fully opened.
  • the present invention has the beneficial effects that the embodiment of the present invention adjusts the cold entering the freezing compartment and the refrigerating compartment by the two air ducts and two air doors, thereby changing the temperatures of the refrigerating compartment and the freezing compartment, achieving free switching of the refrigerating/freezing, and solving the problem of a narrow temperature change range of the refrigerator.
  • FIG. 1 is a structural schematic diagram of a refrigerator with an air duct cover plate according to a preferred embodiment of the present invention.
  • FIG. 2 is a structural schematic diagram of a refrigerator without an air duct cover plate according to a preferred embodiment of the present invention.
  • FIG. 3 is an A-A sectional view in FIG. 2 .
  • FIG. 4 is a B-B sectional view in FIG. 2 .
  • FIG. 5 is a schematic diagram of a refrigerator in a first working mode according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a refrigerator in a second working mode according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a refrigerator in a third working mode according to an embodiment of the present invention.
  • FIG. 8 is a diagram of the steps of a control method for a refrigerator according to an embodiment of the present invention.
  • the terms of the spatial relative positions may be intended to include different orientations of the device in use or operation other than the orientations shown in the accompanying drawings.
  • the elements that are described as “below” or “under” other elements or features will be “above” other elements or features if the device in the accompanying drawings is turned upside down.
  • the exemplary term “below” can encompass both the orientations of above and below.
  • the device may be otherwise oriented (rotated by 90 degrees or facing other directions) and the space-related descriptors used herein are interpreted accordingly.
  • FIG. 1 to FIG. 4 are structural schematic diagrams of a single-system air-cooled refrigerator 100 according to an embodiment of the present invention.
  • the refrigerator 100 comprises a refrigerating compartment 10 and a freezing compartment 20 .
  • the freezing compartment 20 above the refrigerating compartment 10 is taken as an example.
  • the refrigerator 100 further comprises a first air duct 30 and a second air duct 40 which communicate the refrigerating compartment 10 with the freezing compartment 20 respectively and are separated from each other, and a first air door 31 and a second air door 41 which open and close the first air duct 30 and the second air duct 40 respectively, a refrigerating system (not shown), and a control system (not shown).
  • the first air duct 30 and the second air duct 40 are covered by an air duct cover plate (not shown).
  • the first air door 31 and the second air door 41 are mechanical air doors or electronic air doors.
  • the refrigerating system is configured to supply cold air to the freezing compartment 20 .
  • the refrigerating system comprises a compressor 51 , a freezing evaporator (not shown), a freezing fan 52 , and the like.
  • the control system is configured to control opening and closing of the first air door 31 and the second air door 41 to implement a first working mode, a second working mode, or a third working mode of the refrigerator 100 .
  • the first working mode is that neither the freezing compartment 20 nor the refrigerating compartment 10 is switched, that is, the refrigerator 100 is an ordinary refrigerating-freezing refrigerator in this working mode.
  • the second working mode is that the freezing compartment 20 is switched to the refrigerating compartment 10 , that is, the refrigerator 100 is entirely a refrigerating refrigerator in this working mode.
  • the third working mode is that the refrigerating compartment 10 is switched to the freezing compartment 20 , that is, the refrigerator 100 is entirely a freezing refrigerator in this working mode.
  • the cold entering the refrigerating compartment 10 and the freezing compartment 20 is adjusted by the two air ducts (the first air duct 30 and the second air duct 40 ) and the two air doors (the first air door 31 and the second air door 41 ), to change the temperatures of the refrigerating compartment 10 and the freezing compartment 20 , thereby achieving free switching of refrigerating/freezing, and solving the problem that the temperature change range of the refrigerator 100 is narrow.
  • the user can switch the compartments (the refrigerating compartment 10 and the freezing compartment 20 ) autonomously when in need. Greater convenience and flexibility are realized.
  • the refrigerator 100 further comprises a freezing temperature sensor 21 located in the freezing compartment 20 and a refrigerating temperature sensor (not shown) located in the refrigerating compartment 10 .
  • the freezing temperature sensor 21 and the refrigerating temperature sensor both connected to the control system.
  • the control system controls the working of the refrigerating system, the first air door 31 , and the second air door 41 according to the freezing temperature sensor 21 and the refrigerating temperature sensor, so as to implement the switching of the refrigerator 100 among the first working mode, the second working mode, and the third working mode.
  • the refrigerating system is communicated with the freezing compartment 20 by a freezing air hole (not shown).
  • the first air duct 30 is communicated with the refrigerating compartment 10 by a first refrigerating air hole (not shown).
  • the second air duct 40 is communicated with the refrigerating compartment 10 by a second refrigerating air hole (not shown).
  • the first refrigerating air hole and the second refrigerating air hole are both larger than the freezing air hole.
  • the volume of air entering the refrigerating compartment 10 can be effectively adjusted, thereby changing the cold distribution of the refrigerating compartment 10 and the freezing compartment 20 . Further the temperatures of the refrigerating compartment 10 and the freezing compartment 20 are changed in an assisting manner, so that the conversion of the refrigerating compartment 10 and the freezing compartment 20 can be further achieved between freezing and refrigerating.
  • the freezing air hole When the refrigerating compartment 10 and the freezing compartment 20 are equal in volume, the freezing air hole has a first opening size. When the volume of the refrigerating compartment 10 is larger than the volume of the freezing compartment 20 , the freezing air hole has a second opening size. The second opening size is smaller than the first opening size.
  • the cold distributed by the refrigerating compartment 10 needs to be increased to realize the switching of the refrigerating/freezing.
  • the control system controls the compressor 51 to be shut down, and then after preset delay time, the control system controls the freezing fan 52 to be shut down.
  • the freezing fan 52 is substantially in a time-delayed shutdown state, thereby further assisting in the switching of the refrigeration/freezing and power saving.
  • the freezing compartment 20 is preset to be at a first temperature T 1
  • the refrigerating compartment 10 is preset to be at a second temperature T 2
  • the control system controls the second air door 41 to be shut down.
  • the control system controls the first air door 31 to be opened to a first preset opening degree according to the first temperature T 1 and the second temperature T 2 .
  • the first temperature T 1 is in a freezing temperature range.
  • the second temperature T 2 is in a refrigerating temperature range.
  • the user sets the required first temperature T 1 and second temperature T 2 at a display screen, a rotary knob or the like of the control system. Or the user firstly sets the refrigerator 100 to be in the first working mode and then performs temperature setting.
  • the control system controls the compressor 51 and the freezing fan 52 to be turned on.
  • the control system controls the second air door 41 to be closed.
  • the first air door 31 is opened to the specified first preset opening degree according to a user instruction. For example, when the set second temperature T 2 is 10° C., the first air door 31 is opened by a half, and when the set second temperature T 2 is 5° C., the first air door 31 is opened by three quarters.
  • the control system controls the compressor 51 to stop working, and controls the freezing fan 52 to stop working after a time delay. Meanwhile, the control system controls the first air door 31 to be closed.
  • the refrigerating temperature range is an above-zero temperature range
  • the freezing temperature range is a sub-zero temperature range
  • the compressor 51 and the freezing fan 52 may be started first before performing temperature setting and the like.
  • the freezing compartment 20 is preset to be at a third temperature T 3
  • the refrigerating compartment 10 is preset to be at a fourth temperature T 4
  • the control system controls the second air door 41 to be closed, and meanwhile, the control system controls the first air door 31 to be fully opened.
  • the third temperature T 3 and the fourth temperature T 4 are both in the refrigerating temperature range.
  • the user firstly sets the required third temperature T 3 and fourth temperature T 4 at a display screen, a rotary knob or the like of the control system. Or the user firstly sets the refrigerator 100 to be in the second working mode and then performs temperature setting.
  • control system controls the compressor 51 and the freezing fan 52 to be started, controls the second air door 41 to be closed, and controls the first air door 31 to be fully opened; that is, the first air door 31 is in a fully open state.
  • the control system controls the compressor 51 to stop working, and controls the freezing fan 52 to stop working at a time delay. Meanwhile, the control system controls the first air door 31 to be closed.
  • the freezing compartment 20 is preset to be at a fifth temperature T 5
  • the refrigerating compartment 10 is preset to be at a sixth temperature T 6
  • the control system controls both the first air door 31 and the second air door 41 to be fully opened.
  • the fifth temperature T 5 and the sixth temperature T 6 are both in the freezing temperature range.
  • the user firstly sets the required fifth temperature T 5 and sixth temperature T 6 at a display screen, a rotary knob or the like of the control system. Or the user firstly sets the refrigerator 100 to be in the third working mode before performing temperature setting.
  • control system controls the compressor 51 and the freezing fan 52 to be started, and controls the first air door 31 and the second air door 41 to be fully opened.
  • the control system controls the compressor 51 to stop working, and controls the freezing fan 52 to stop working. Meanwhile, the control system controls the first air door 31 and the second air door 41 to be closed.
  • the invention also provides a control method for a single-system air-cooled refrigerator.
  • the control method comprises the steps of: starting the refrigerator 100 ; selecting a working mode; switching neither a freezing compartment 20 nor a refrigerating compartment 10 when the working mode is a first working mode; switching the freezing compartment 20 to the refrigerating compartment 10 when the working mode is a second working mode; and switching the refrigerating compartment 10 to the freezing compartment 20 when the working mode is a third working mode.
  • the user can switch the compartments (the refrigerating compartment 10 and the freezing 20 compartment) autonomously when in need. Greater convenience and flexibility are realized.
  • the step “switching neither the freezing compartment 20 nor the refrigerating compartment 10 when the working mode is the first working mode” specifically comprises: presetting the freezing compartment 20 to be at a first temperature T 1 and the refrigerating compartment to be at a second temperature T 2 when the refrigerator 100 is in the first working mode, the first temperature T 1 being in a freezing temperature range, and the second temperature T 2 being in a refrigerating temperature range; and controlling the second air door 41 to be closed, and meanwhile controlling the first air door 31 to be opened to a first preset opening degree according to the first temperature T 1 and the second temperature T 2 .
  • the step “switching the freezing compartment to the refrigerating compartment when the working mode is a second working mode” specifically comprises: presetting the freezing compartment 20 to be at a third temperature T 3 and the refrigerating compartment to be at a fourth temperature T 4 when the refrigerator 100 is in the second working mode, the third temperature T 3 and the fourth temperature T 4 being both in the refrigerating temperature range; and controlling the second air door 41 to be closed while controlling the first air door 31 to be fully opened.
  • the step “switching the refrigerating compartment to the freezing compartment when the working mode is a third working mode” specifically comprises: presetting the freezing compartment 20 to be at a fifth temperature T 5 and the refrigerating compartment 10 to be at a sixth temperature T 6 when the refrigerator 100 is in the third working mode, the fifth temperature T 5 and the sixth temperature T 6 being both in the freezing temperature range; and controlling the first air door 31 and the second air door 41 to be fully opened.
  • control method for a refrigerator according to the present invention may refer to the above explanation for the structure of the refrigerator, and details are not repeated here again.
US16/345,243 2016-10-25 2017-10-25 Single-system air-cooled refrigerator and control method therefor Active 2037-12-26 US10969164B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201610940376.XA CN106568271A (zh) 2016-10-25 2016-10-25 单系统风冷冰箱及其控制方法
CN201610940376.X 2016-10-25
PCT/CN2017/107587 WO2018077175A1 (zh) 2016-10-25 2017-10-25 单系统风冷冰箱及其控制方法

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US20190277559A1 US20190277559A1 (en) 2019-09-12
US10969164B2 true US10969164B2 (en) 2021-04-06

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CN (1) CN106568271A (zh)
WO (1) WO2018077175A1 (zh)

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